package com.ys.mapper;

import com.ys.pojo.Dru;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface DruMapper {
    List<Dru> select();
    int add(Dru dru);
    int updas(@Param("shu") Double shu,@Param("id") int id);
    int del();
    int dels(int id);
}
